feat: enhance agent orchestration, knowledge flow and UI refinements

backend/app/routers/__init__.py

@@ -6,6 +6,9 @@ from app.routers.forum import router as forum_router
 from app.routers.graph import router as graph_router
 from app.routers.agent import router as agent_router
 from app.routers.todo import router as todo_router
+from app.routers.reminder import router as reminder_router
+from app.routers.goal import router as goal_router
+from app.routers.schedule_center import router as schedule_center_router
 from app.routers.settings import router as settings_router
 from app.routers.folder import router as folder_router
 from app.routers.skill import router as skill_router